Copyrighted Clark Service Manual for Dealers

Copyrighted Material
Intended for CLARK dealers only
Do not sell or distribute
SM-587
NPR 17/20
CLRRK

Service
Manual
SM -587
NPR-345 NPR-17
NPR-20

TABLE OF CONTENTS
w Group No-Section No.-Page No.
01 Planned Maintenance Procedures PM-l thru 29
02 Lubrication Charts 01-1-l
03 Battery Service 12-1-1
04 Multi-Function Control Handle Switches 13-1-1
05 Electric Motor Service -- General 16-2-1
06 Traction Motor Service 16-3-1
07 Pump Motors 16-5-1
08 Auxiliary/Steer Pump Motor Service 16-7-1
09 Contactor Service 17-1-1
10 Electrical Sequence of Operation 19-2-1
11 EV-T15 Solid State Control Status Code 19-3-1
12 Oscillator Card Settings and Tests 19-4-1
13 Steering Control Adjustments (EV-T5PS)19-5-1
14 Wiring Diagrams 19-6-1
15 Directional, Lift & Lower Switches and
Transducer Adjustment 19-7-1
16 Periodic Electrical Checks 19-8-1
17 Oscillator Card, Remove & Replace 19-10-l
18 solenoid Control Card Troubleshooting lo- 16-1
19 Axle Articulation Adjustment 20-l-l
20 Drive Unit Overhaul 20-2- 1
21 Traction Wheel & Tire 22-l-l
22 Caster Wheel & Tire 22-2- 1
23 Motor Brake 23-l-l
24 Caster Brake 23-2- 1
25 Brake Bleeding Procedure 23-3-l
26 Brake Pedal Adjustment 23-4- 1
27 Hydraulic Pressure Checks 26-l-l
28 Hydraulic Sump Tank, Filter and
Strainer(s), Service 29-l-l
29 Hydraulic Schematic 29-2- 1
30 Hydraulic Pump Overhaul 29-4- 1
Item Groun No-Section No.-Page No.
31 Hydraulic Control Valves & Solenoid
Control Valves, Remove & Replace30- l- 1
32 Auxiliary Reach & Tilt Valve Overhaul 30-2- 1
33 Lift Control Valve Overhaul 30-3- 1
34 Lowering Solenoid Valve 30-4- 1
35 Auxiliary Solenoid Valve
( Reach & Tilt Control Valves) 30-5-l
36 Reach & Tilt Selector (Solenoid) Valves 30-6- 1
37 Side Shifter Solenoid Control Valve 30-7- 1
38 Tilt Cylinder Overhaul 32-2-l
39 Reach Cylinder Overhaul 32-3-l
40 Upright & Pantograph Remove & Replace
and Roller Shim Adjustments 34-l-l
41 Pantograph & Fork Carriage R&R
and Roller Shim Adjustments 34-2-l
42 Rail Lift Cylinder Overhaul 34-3- 1
43 Free Lift Cylinder Overhaul 34-4- 1
44 Lift Fork Inspection 34-5- 1
45 Lift Chains 34-6-l
46 Load Wheels 35-l-l
47 Specifications 40-l-l
48 Service Weights 40-2- 1
49 Lubricants and Shop Supplies 40-3-l
NOTE
Pictorial Indexes areprovided on
the following four pages.
Index ................................Page 6/7
SM-587 Table of Contents - 1 Dee 94

INDEX Pictorial Index
Pictorial Index #1
NPR-345
/ 23
Dee 94 Index-2 SM-587

Pictorial Index INDEX
Index 1 of 2
Pictorial Index
Contents
“PM” Planned Maintenance Procedures ........................... PM-01 thru 29
“PM” Caster Brake: Adjusting for Lining Wear; When to
Replace Brake Linings ........................................................... PM- 16
Motor Brake: Adjusting for Lining Wear When to
Replace Brake Linings ........................................................... PM-28
Group ........................................................................ Group-Section-Page
01 Lubrication Chart and Instructions.. ................................ .01-l-01 thru 07
12 Battery Service Instructions ............................................. 12-l-01 thrllO8
13 Multi-Function Control Handle Switches ....................... .13-l-01 thru 05
16 Electric Motor Service - General .................................... .16-2-01 thru 09
16 Traction Motor Service ................................................... 16-3-01 thru 11
16 Pump Motors 24 & 36 Volt.. .......................................... .16-5-01 thm 11
16 Auxiliary/Steer Pump Motor Service .............................. .16-7-01 thru 12
17 Contactors, Control Panel.. ............................................. .17-l-01 thru 09
19 Electrical Sequence of Operation .................................... .19-2-O 1 thru 51
19 Instructions - Status Codes for EV-T15 Control.. ............ .19-3-01 thru 15
19 Oscillator Card Settings ................................................... 19-4-01 thnlo4
19 Steering Control Adjustments.. ....................................... .19-5-01 thru 06
19 Wiring Diagrams ............................................................ 19-6-01 thru 03
19 F&R Switches, Up & Down Switches, Transducer Adjl ..19-7-01 thru 10
19 Periodic Electrical Checks .............................................. .19-8-01 thru 16
19 Oscillator Card Remove & Replace .............................. .19-lo-01 thru 04
19Solenoid Control Card Trouble Shooting.. ..................... .19-16-01 thru 06
20 Axle Articulation Adjustment .......................................... 20-l-01 thru 03
20 Drive Unit Disassembly & Reassembly .......................... .20-2-01 thm 19
22 Wheel & Tire, Traction ................................................... 22-l-01 thnlo3
22 Wheel & Tire, Caster ...................................................... 22-2-01 thru 04
23 Brake, Traction Motor ..................................................... 23-l-01 thru 08
23 Brake, Caster ................................................................. .23-2-01 thru 09
23 Bleeding Procedure, Brake ............................................. .23-3-01 thru 02
23 Brake Pedal and Cylinder(s) Check & Adjustment ........ ..23-4-O 1 thru 02
SM-587 Index-3 Dee 94

INDEX Pictorial Index
Pictorial Index :#2
NPR-345
Dee 94 Index-4 SM-587

Pictorial Index INDEX
Index 2 of 2
Pictorial Index
Contents
Group .............................................................................................. Group-Section-Page
26 Pressure Check & Adjustment -Steering, Auxiliary, Reach & Tilt,
and Side Shift (If so equipped) ...................................... 26-l-l thru 05
29 Hydraulic Sump Tank, Filter and Strainer Service .......... ...29-l- 1 thru 07
29 Hydraulic Schematic Diagram ........................................ ..29-2- 1 thru 02
29 Hydraulic Pump Overhaul.. ............................................. ..29-4- 1 thru 05
30 Hydraulic Control Valves and Solenoid Control Valves,
Remove & Replace ..................................................... .30-1-l thru 14
30 Auxiliary, Reach/Tilt Control Valve Service ................... ..30-2- 1 thru 07
30 Lift Control Valve Service Procedures .............................. 30-3-l thrlll0
30 Lowering Solenoid Valve Service Procedures ................. ..30-4- 1 thru 06
30 Auxiliary Solenoid Valve (Reach/Tilt Control) ................. .30-5 1 thru 06
30 Reach & Tilt Selector Valve Service Procedures ............. ..30-6- 1 thru 13
30 Side Shifter Solenoid Control Valve (Optional Equipment) 30-7-l thru 09
32 Tilt Cylinder Overhaul Procedures .................................... 32-2-l thru 07
32 Reach Cylinder Overhaul Procedures ............................... .32-3- 1.thru 07
34 Upright, Pantograph Remove & Replace Procedures and
Roller Shim Check & Adjustment Procedures.. ............ .34-l- 1 thru 40
34 Pantograph & Fork Carriage Service Procedures ............. ..34-2- 1 thru 12
34 Lift Cylinder, Rail - Overhaul Procedures.. ....................... .34-3-l thru 05
34 Lift Cylinder, Free Lift - Overhaul Procedures.. ............... ..34-4- 1 thru 05
34 Lift Fork Inspection ......................................................... .34-5-l thru 04
34 Lift Chain Inspection, Lubrication and Specifications.. ......34-6- 1 thru 06
35 Load Wheel Service Procedures ....................................... .35-l- 1 thru 02
40 NPR-345 Specification Listing ........................................ ..40-l- 1 thru 13
40 Service Weights ............................................................... .40-2-l thru 04
40 Lubricants and Shop Supplies ........................................... 40-3-l thru 14
SM-587 Index-5 Dee 94

INDEX
m Group No-Section No.-Page No.
Axle
Articulation Adjustment
Battery
Remove & Replace
Service
Brakes
Motor
Caster
Bleeding
Pedal Adjustment
Master Cylinder
Caster Service Checks
Control Panel
Contactors
Oscillator Card,
Remove & Replace
Cylinders
Tilt Cylinder Overhaul
Reach Cylinder Overhaul
Rail Lift Cylinder Overhaul
Free Lift Cylinder Overhaul
Diagrams
Electrical
Hydraulic
Drive Unit
Overhaul
Lift Chains
Inspection
Lubrication
Remove & Replace
Lubrication
Charts & Specifications
20-l-l
12-1-1
12-1-1
23-l-l
23-2- 1
23-3-l
23-4- 1
23-4- 1
PM-17
17-1-1
19-10-l
32-2- 1
32-3- 1
34-3-l
34-4- 1
19-6-1
29-2- 1
20-2- 1
34-6-2
34-6-6
34-6-6
01-1-l
Dee 94 Index - 6 SM-587
Ttem Grout No-Section No.-PaPe No.
Motors
General 16-2-1
Traction 16-3-1
Auxiliary/Steer Pump 16-7-1
Pantograph & Fork Carriage
Remove & Replace 34-2- 1
Roller Shim Adjustments 34-2- 1
Lift Fork Inspection 34-5 1
Periodic Electrical Checks 19-8-1
Cable & Wire Routing 19-8-1
Planned Maintenance Procedures PM- 1 thru 29
Caster Special Socket Adapter PM-24
Pressure Checks
Steering 26-l-l
Lift Circuit 26-l-l
Auxiliary Reach & Tilt 26-l-l
Pump Overhaul 29-4- 1
Sequence of Operation
Electrical 19-2-1
Solid State Control
Status Codes (EV-T15) 19-3-1
Oscillator Card Settings/Tests 19-4-1
Steering Adjustments
(EV-TSPS) 19-5-1
Switches
Directional, Lift & Lower 19-7-1
Multi-Function Control Handle 13-l- 1
Transducer Adjustment 19-7-1

INDEX
Upright & Pantograph
Lift Chains 34 - Manual Insert
Remove & Replace 34-l-l
Roller Shim Adjustments 34-l-l
Valves
Remove & Replace 30-l-l
Auxiliary Reach & Tilt 30-2- 1
Lift Control 30-3-l
Lowering Solenoid 30-4- 1
Auxiliary Solenoid Valve
( Reach & Tilt) 30-5-l
Reach & Tilt Selector 30-6-l
Side Shifter Solenoid Control 30-7-l
Specifications 40-l-l
Service Weights 40-2-1
Lubricants and Shop Supplies 40-3-l
Sump Tank
Fluid Level 29-l-l
Filter and Strainer(s) 29-l-l
Wheel & Tire
Traction 22-l-l
Caster 22-2- 1
Load 35-l-l
SM-587 index- 7 Dee 94

Cautions
The following is a list of “CAUTIONS” connected with the operation andmaintenance of trucks
equipped with Solid State Control Panels.
Safety Signs and Safety Messages
SAFETYSIGNSand MESSAGESareplaced in this manual and also on the truck to provide instructions and
to identify specific areas where potential hazards exist and special precautions must be taken. Be sure you know
and understand the meaning of these instructions, signs and messages. Damage to the truck or serious injury
to you or other persons may result if these messages are not followed. If warning decals are damaged they must
be replaced. Contact your Clark dealer for replacements.
NOTICE This message is used when special information, instructions or identification is
required relating to procedures, equipment, tools, pressures, capacities and other
special data.
IMPORTANT This message is used when special precautions should be taken to ensure a correct
action or to avoid damage to or malfunction of the truck or a component.
A
! CAUTION This message is used as a reminder of safety practices which can result in personal
injury if proper precautions are not taken.
A WARNING This message is used when a hazard exists which can result in serious personal
injury or death, if
proper precautions are not taken.
A DANGER This message is used when an extreme hazard exists.
A WELDING ON TRUCKS
1. Make sure the truck has no grounds.
2 Disconnect truck battery.
3. Protect electrical wiring and components from weld spatter with
a shield.
4. Ventilate battery or remove battery from truck.
Ifthe above isnotfollowed, damagecan resultto wiring andelectrical
components on a solid state control truck.
SM-587 i Dee 94

CAUTIONS
A DO NOT STEAM CLEAN
Do not steam clean a solid state controlled truck as excessive moisture
will interfere with proper operation of the solid state components.
Solid State Controls should be cleaned atregularintervals. Blowing dirt off with an air hose (that
is restricted to 30 psi [207 kPa]) periodically will, for the most part, eliminate any serious
cleaningproblems. Should the need arise for amore thorough cleaning, water may be hosed over
the control and if necessary a mild detergent applied such as that used in washing dishes in our
home. The detergent should be rinsed off and the controls must be thoroughly air dried before
putting truck into service.
Periodic cleaning, such as those mentioned above, should preclude the need for using a
degreaser. However, if a degreaser is used we recommend the following:
Only approved solvents should be used to clean Solid State Control Components. Use Clark
#I1801146 Degreaser, or the equivalent to MS- 180 Freon TF Degreaser and Cleaner.
A CHECK POLARITY
Battery Polarity must be correct or the truck will not
operate.
A USE TRUCK BATTERY ONLY
Do not use a motor generator unit such as “ready
power” or a battery charger to move and/or check this
truck as serious damage may occur
IMPORTANT SAFETY NOTICE
Read and understand all Safety Precautions and Warnings before
performing repairs on lift trucks.
Appropriate servicemethodsandproperrepairproce-
dures are essential to the safe, reliable operation of
industrial trucks as well as the personal safety of the
individual doing the work. This Service Manual
provides general directions for accomplishing service
and repair work with tested, effective techniques.
Following them will help assure successful repair and
reliable truck operation.
There are numerous variations in procedures, tech-
niques, tools and parts for servicing industrial trucks,
as well as in the skill of the individual doing the work.
This manual cannot possibly anticipate all such varia-
tions and provide advice or precautions as to each.
Accordingly, anyone departing from the instructions
provided in this manual through procedures used or
choice of tools, materials, and parts may jeopardize
his or her personal safety and/or the safety of the
vehicle user.
Improper or careless techniques cause accidents. Don’t
take chances with incorrect or damaged equipment.
Read and understand the procedures for safe opera-
tion and maintenance outlined in this manual.
Drive and work safely and follow the safety signs and their messages
displayed in the work area, on the truck and in this manual.
Dee 94 ii SM-587

Cautions
GENERAL PRECAUTIONS
Thefollowing list contains general precautions that should be followed when working
on a lift truck.
Service Electric Truck Batteries in a well-venti-
lated area to avoid the danger of lighting explo-
sive gases, clear of pedestrians and with ad-
equate overhead clearance and on a flat, level
surface.
Always wear safety glasses for eye protection.
Remove rings, watches, loose jewelry and open
clothing before working on a vehicle, to avoid
serious injury.
Do not smoke while working on a vehicle.
Putpowerkey switchintheOFFposition,unless
otherwise required by the procedure.
Set the parking brake. Place chocks to the front
and rear surfaces of the tires to provide further
restraint from inadvertent vehicle movement.
Use safety stands or blocks whenever a proce-
dure requires you to be under the vehicle.
Follow the Safety Instructions outlinedin Group
12, “Handling Storage Batteries”.
Always Discharge the Capacitors prior to work-
ing on or around electrical components. Refer to
the instructions outlined in Group 19, “Dis-
charging Capacitors”.
A
! CAUTION
Avoid contact with Battery Acid. The battery contains corrosive acid which
can cause injury. Follow the instructions outlined in Group 12 “Handling
Storage Batteries” and those instructions received with your battery and
charger.
SM-587
...
III Dee 94

Foreword
This Service Publication provides information
covering normal service, maintenance and repair of
the Clark industrial lift trucks noted on the cover. It
has been specifically prepared to help owners and
service personnel maintain these trucks in efficient
and safe operating condition.
This manual isintended for use bypersons who
are trained and authorized to do lift truck mainte-
nance. It is designed to provide essential information
about the correct and safe service maintenance and
repair of the truck by trained mechanics or service
technicians.
The information is organized by use of the
Basic Group Numbering System used in the
Master Parts Book and the Customer Parts Manuals.
The manual includes:
P.M.
Planned Maintenance Procedures
including precautions and safe
maintenance recommendations.
01-40
Service specifications, adjust-
ments, maintenance and overhaul
procedures including lubrication
charts, recommended lubricants
and service weights, etc.
General and detailed service and repair
procedures are outlined (as required) for each
component or subsystem. Some procedures include
explanations that are common to several components
or subsystems.
The PictorialIndex lists components or systems
by Basic Group Number of Major Parts. Additional
content listings are placed at the beginning of each
Section in the manual.
The Table of Contents list the pages in this
manual.
Procedureshavebeen made easiertouseby
providing specific steps only when necessary and
general instructions required to explain the activity,
component, assembly, or process being worked on.
The technician is expected to include obvious addi-
tional steps of standard procedure for removal, disas-
sembly, cleaning, inspection, reassembly, installa-
tion, etc., as needed.
Tobebetterpreparedto dothenecessaryservice
work, take time to completely read the entire proce-
dure, including any special instructions, before start-
ing any work.
The technician is cautioned and expected
to...
... before beginning to work.
*Take time to completely read (entire) procedures,
including any special instructions.
ABOUT PLANNED MAINTENANCE
The Planned Maintenance Procedures
located in the front of this manual provide a basic step
by step guide which should be followed in servicing
the vehicle. Adjustment Procedures, Specifications,
Lubrication Guides, Overhaul Procedures and other
data are found in the rear of this manual listed under
Group and SectionNumbers. Refer to the index.
Regular, correct maintenance and care of
industrial trucks is not only important for long and
efficient truck life but it is essential for safe operation.
The importance of proper maintenance through
planned service, inspection and qualified repairs can-
not be emphasized too strongly. Preventive mainte-
nance instructions are provided for reference in set-
ting-up and conducting a recommended periodic
Planned Maintenance (PM) program.
NOTICE
The descriptions and specifications included in this manual were in effect at the time of
printing.Clark reservesthe righttodiscontinue modelsat anytime,or make improvements
and changes in specifications or design without notice and without incurring obligation.
Specifications, torques, pressures, measurements, adjustments, illustrations and other
items may change at any time. Contact your authorized CLARK dealer for information on
possible updates or revisions.
Dee94 iv SM-587

Foreword
An effective PM program should incorporate
two basic phases: ~
1.
2.
An insnection net-formed bv the driver or main-
tenance man at the beginning of each shift. This
is a quick visual check for obvious damage and
leaksandafunctionaltest...acheckoffluidsand
water levels,lights(ifsoequipped),instruments
and warning devices.
The Planned Maintenance routine is based on
50 to 250 operating hours ... with the interval
being determined by operating conditions.
Records will tell you how often PM
should be done.
l If an oneration is clean and not strenuous, a PM
interval can be extended.
l If an oneration is extremelv dirtv and strenuous,
the PM interval may have to be reduced.
If the PM is faithfully followed, needs for
repair, major adjustment and component replace-
ment will be discovered and such work can be
scheduled eliminating unnecessary downtime and
cost. For instance, brake checks which are part of the
PM will uncover the need for adjustments and/or
repairs which may be required periodically.
The objectives of PM are:
1. To reduce costly unscheduled downtime.
2. Reduce maintenance costs.
3. Increase vehicle productivity.
4. Increase personal safety of drivers and other
personnel.
Inspection Forms
To insure that the daily inspection and PM are prop-
erly performed, we recommended the use of inspec-
tion forms. Such forms not only provide a guide for
the inspections and maintenance requirements for
eachvehicle, they will assist you in determining when
to schedule avehicle for major repairs. Consequently
theserepairscanbedonewithoutthedisruptiveeffect
of unscheduled down time.
NOTE
Refer to the Operator’s Manual,
located on the truck, for additional
information on the operation, care
and maintenance of your truck.
Contact your authorized Clark
dealer for more information on
maintenance and repair of these
t?-UCkS.
SM-587 V Dee 94

The Planned Maintenance Procedures
Outlined
on the following pages are organized in
five basic catagories. They are:
1. Walk Around Visual Inspection.
2. Operational Tests.
3. Cleaning.
4. Checks and Minor Adjustments.
5. Lubrication.
Each catagory is preceded with a summary of the
inspections, checks, tests, etc., that should be per-
formed in each catagory.
P.M. CHECK SHEET
A special coding system on the P.M. Check sheet
allowstmckcondition tobereportedwithaminimum
number of words. As the P.M. is performed, a mark
should be made in the appropriate box of the compo-
nent being checked.
l (4) indicates the particular truck component or
system has been checked.
l (x) indicates the component or system is in need
of a minor adjustment or service (not part of the
normal P.M.) that should be taken care of in the
near future.
l (r) indicates there is a potential problem that
couldresult in damage to acomponent or system
and requires attention.
l (s) indicates the need for urgent repair or replace
ment of a component or system and the truck
should be shut down as possible property dam-
age or personel injury may result.
The nature of problems found during aP.M. shouldbe
noted in the “comments” portion of the check sheet.
Whenever a system or comnonent is faultv or unsafe,
it must be noted on the check sheet andreported to the
designated authority at the conclusion of the P.M.
1. Visual Inspection
Code
$ = O.K.
1 O.K. X = Adjust (Not P.M.) I
Potential r = Repair or Replace
~~~~~~~~ s =
‘...‘.‘.:.:.:.:.:.:.:.:.:.,
..:.:.:.:.:.:.:.:.:.:.:.:.:.:.:Requires Shop Repair
..v.:.
.(.,.,.(.(.,.,.,.,.,.
.,.,.
.,.
.,.,.
.,.
SM-587 PM-l Dee 94

l Visible frame damage.
l Tire Wear and/or lodged foreign objects in tire tread and/or badly darnaged side walls.
l Overhead Guard for security of mounting (loose or missing fasteners) and damage.
l Visible fluid leaks.
l Presence and condition of covers, pads, floor mat, decals and truck data plate.
l Safety Screen and/or Glass for security of mounting and damage.
l Visible signs of wear and/or damage to upright.
l Load Back Rest for security of mounting and damage.
l Check that “ground chain link” is touching the floor.
Visual Inspection
1. Insuect Batterv Plugi BzTruck Receutacle
l Disconnect battery from truck. Pull back on the
battery disconnect lever located at the right front
corner of the console.
l Inspect the spring loaded terminals in the truck
battery receptacle and check the battery plug
terminals. Burned or pitted terminals should be
noted on the P.M. check sheet.
Battery Plug 7
Truck
tsconnect Batterv and check
Spring Loaded Terminals
Dee 94 PM-2 SM-587

2.
.
3.
.
4.
.
5.
.
Check for Obvious Oil Leaks and peneral
condition of Frame & Overhead Guard
Make a quick overall inspection for oil leaks. If
oil leaks are found, at this time, or later in the
P.M., fucthe minor leaks and report on the check
sheet any leaks which will require major repair.
Check condition of covers, pads and floor mat.
Inspect name plates, warning decals and truck
date plate for damage and to be sure none are
missing. Be sure warning and instructional de-
cals are readable.
Check safety screen and/or glass for security of
mounting and damage.
Check overhead guard for damage and security
of mounting. Be sure the legs of the overhead
guard are mounted securely and are not dam-
aged, cracked or bent.
Batterv Retainers
Check battery retainers for damage. Make cer-
tain retainers are locked in position at each end
of the battery compartment.
Check for Obvious Leakage
SM-587 PM-3 Dee 94

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6.
.
Inmect Wheels & Tire
Check for obvious damage to tires on the load,
caster and drive wheels.
Look for excessive tire wear, cuts, breaks,
“chunking” or bond failure between the tires and
wheels.
Remove objects that are embedded in the tire.
Make sure grease fittings are not damaged and
none are missing.
Be sure drive wheel fasteners are secure and
none are missing. If they are loose, torque them
to specifications. Fasteners must be tightened
using a diagonal sequence as shown below (let-
tered A through G).
Retorque drive wheel fasteners
afterthefirst2OOhoursofopera-
tion.
Wheel Wheel
& Tire & Tire
Fastener Tightening
Sequence
D
F
B
@
A
G
C
E
TORQUE FASTENERS
TO:
124 - 139 LB. FT.
(168 - 188 N*M)
Dee 94 PM-4 SM-587

Check Mullti-Function control for freedom of
operation.
Check battery connection.
Check horn.
Check key switch and dash display.
Check upright operation.
l Check brakes.
l Check hour meter.
l Check steering.
l Check control plugging.
l Check acceleration.
l Check speed limit switch operation.
Operational Tests
a. Check Controls
NOTE
Battery connector should be
disconnectedandkey switch turned
OFF before making these checks.
l Inspect multi-function control handle for free-
dom of operation. Move control to the full
forward and rearward positions. Then move it
into the full left and full right positions. The
control must operate freely without binding and
spring return to neutral.
l Connect battery.
Move control through all
functions checking for free-
dom of movemenet.
Check the Multi-Function Control for
Freedom ofmovement. Control should spring
SM-587 PM-5 Dee 94

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